Yes, there is a toll on the Rickenbacker Causeway.

How long is the drive?

The drive takes approximately 25 minutes.

What is the best way to get around?

Driving is the most convenient, but public transit is available.

Yes, Miami-Dade Transit operates bus service between the two.

Yes, there are marinas, but it is not a standard transit mode.

Key Biscayne

Miami

Bus Driving

Key Biscayne to Miami

Updated: 28 May 2026

The distance from Key Biscayne to Miami is approximately 15 kilometers. The most common way to travel is by driving across the Rickenbacker Causeway, which offers stunning views of Biscayne Bay. The drive takes about 20 to 30 minutes depending on traffic. Public bus service is also available for those who prefer not to drive. Miami is a vibrant city with a rich cultural scene, just a short trip from the island of Key Biscayne.

Total Distance: 15 km driving, 12 km air.

Fastest Way

Driving takes about 25 minutes, making it the fastest option.

Cheapest Way

Public bus is the most economical, costing $2.25 per trip.

Compare Key Biscayne to Miami Routes

	Bus Direct	Driving Direct
Duration	45 mins	25 mins
Avg Price	$2.25	$2 - $5 (toll)
Operator	Miami-Dade Transit	Personal Vehicle
Route	Route B	Rickenbacker Causeway
Tip	Check the bus schedule in advance for the most frequent service.	Be prepared for a toll on the Rickenbacker Causeway.

Travel Tips

Toll Payment
Use SunPass for easy toll payment on the causeway.
Traffic
Avoid the causeway during peak rush hours for faster travel.
Parking
Use public garages in downtown Miami for easy access.
Weather
Miami can be very hot; pack light clothing and sunscreen.
Local Transit
The Metromover is a free and efficient way to get around downtown Miami.